5249999 has 8 divisors (see below), whose sum is σ = 5440512. Its totient is φ = 5062680.

The previous prime is 5249989. The next prime is 5250029. The reversal of 5249999 is 9999425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5249999 - 2⁴ = 5249983 is a prime.

It is a Duffinian number.

5249999 is a modest number, since divided by 9999 gives 524 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5249929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834 + ... + 4304.

It is an arithmetic number, because the mean of its divisors is an integer number (680064).

Almost surely, 2^5249999 is an apocalyptic number.

5249999 is a deficient number, since it is larger than the sum of its proper divisors (190513).

5249999 is a wasteful number, since it uses less digits than its factorization.

5249999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597.

The product of its digits is 262440, while the sum is 47.

The square root of 5249999 is about 2291.2876292600. The cubic root of 5249999 is about 173.8013212093.

The spelling of 5249999 in words is "five million, two hundred forty-nine thousand, nine hundred ninety-nine".